{"id":67147,"date":"2022-10-24T16:14:39","date_gmt":"2022-10-24T14:14:39","guid":{"rendered":"https:\/\/www.kwrwater.nl\/?p=67147"},"modified":"2022-10-27T09:15:42","modified_gmt":"2022-10-27T07:15:42","slug":"limit-for-cold-extraction-from-drinking-water-can-be-raised","status":"publish","type":"post","link":"https:\/\/www.kwrwater.nl\/en\/actueel\/limit-for-cold-extraction-from-drinking-water-can-be-raised\/","title":{"rendered":"Limit for cold extraction from drinking water can be raised"},"content":{"rendered":"<div class=\"post_intro\">\n<p>Waternet applies aquathermia to recover cold from drinking water. With a view to the drinking water quality, the water utility wanted to know what the upper temperature limit was for this to be done safely. Research conducted within the TKI context produced the answer. \u2018We can raise the limit from 15 to 18 degrees Celsius,\u2019 says Jan Peter van der Hoek of Waternet. \u2018This represents a huge gain.\u2019<\/p>\n<\/div>\n<p>Even before the TKI \u2018Thermal energy from drinking water\u2019 project got under way, Waternet had implemented this innovation at full-scale in practice. One of the Amsterdam water utility\u2019s large drinking water transport mains runs along the site of the Sanquin blood bank in our capital. By deploying a heat exchanger in a branch of this main, the cold from the clean water is extracted and then used to cool the blood-plasma products made by Sanquin. A smart solution and sustainable alternative to the use of energy-guzzling refrigerators. During the project, the application won an innovation prize at the International Water Association\u2019s congress in Tokyo in 2018. \u2018The heat exchanger is an existing technology, which is per se no innovation,\u2019 says Van der Hoek, who, besides being Chief Innovation Officer at Waternet, is also Professor of Drinking Water Engineering at TU Delft. \u2018This is much more about what impact the cold extraction has on the water quality.\u2019<\/p>\n<div class=\"wp-caption alignnone\" style=\"width: 768px\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2022\/10\/IMG_0836-768x1024.jpg\" alt=\"\" width=\"768\" height=\"1024\" \/><p class=\"wp-caption-text\">Lab set-up in Amsterdam at Waternet\u2019s Technological Laboratory.<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Waternet applies aquathermia to recover cold from drinking water. With a view to the drinking water quality, the water utility wanted to know what the upper temperature limit was for this to be done safely. Research conducted within&#8230;<\/p>\n","protected":false},"author":5,"featured_media":67140,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":"","footnotes":""},"categories":[7],"tags":[],"class_list":["post-67147","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-watersector-en","gtag-tki-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Limit for cold extraction from drinking water can be raised - KWR<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.kwrwater.nl\/en\/actueel\/limit-for-cold-extraction-from-drinking-water-can-be-raised\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Limit for cold extraction from drinking water can be raised - KWR\" \/>\n<meta property=\"og:description\" content=\"Waternet applies aquathermia to recover cold from drinking water. With a view to the drinking water quality, the water utility wanted to know what the upper temperature limit was for this to be done safely. Research conducted within...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.kwrwater.nl\/en\/actueel\/limit-for-cold-extraction-from-drinking-water-can-be-raised\/\" \/>\n<meta property=\"og:site_name\" content=\"KWR\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/KWRwater\/\" \/>\n<meta property=\"article:published_time\" content=\"2022-10-24T14:14:39+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-10-27T07:15:42+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2022\/10\/P81219544-1024x768.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"768\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"KWR - LH\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@KWR_water\" \/>\n<meta name=\"twitter:site\" content=\"@KWR_water\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"KWR - LH\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.kwrwater.nl\/en\/actueel\/limit-for-cold-extraction-from-drinking-water-can-be-raised\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.kwrwater.nl\/en\/actueel\/limit-for-cold-extraction-from-drinking-water-can-be-raised\/\"},\"author\":{\"name\":\"KWR - LH\",\"@id\":\"https:\/\/www.kwrwater.nl\/en\/#\/schema\/person\/e7459aa1bbc6dd8d99b1bc3f6a03b044\"},\"headline\":\"Limit for cold extraction from drinking water can be raised\",\"datePublished\":\"2022-10-24T14:14:39+00:00\",\"dateModified\":\"2022-10-27T07:15:42+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.kwrwater.nl\/en\/actueel\/limit-for-cold-extraction-from-drinking-water-can-be-raised\/\"},\"wordCount\":248,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.kwrwater.nl\/en\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.kwrwater.nl\/en\/actueel\/limit-for-cold-extraction-from-drinking-water-can-be-raised\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2022\/10\/P81219544-scaled.jpg\",\"articleSection\":[\"Water Sector\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.kwrwater.nl\/en\/actueel\/limit-for-cold-extraction-from-drinking-water-can-be-raised\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.kwrwater.nl\/en\/actueel\/limit-for-cold-extraction-from-drinking-water-can-be-raised\/\",\"url\":\"https:\/\/www.kwrwater.nl\/en\/actueel\/limit-for-cold-extraction-from-drinking-water-can-be-raised\/\",\"name\":\"Limit for cold extraction from drinking water can be raised - KWR\",\"isPartOf\":{\"@id\":\"https:\/\/www.kwrwater.nl\/en\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.kwrwater.nl\/en\/actueel\/limit-for-cold-extraction-from-drinking-water-can-be-raised\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.kwrwater.nl\/en\/actueel\/limit-for-cold-extraction-from-drinking-water-can-be-raised\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2022\/10\/P81219544-scaled.jpg\",\"datePublished\":\"2022-10-24T14:14:39+00:00\",\"dateModified\":\"2022-10-27T07:15:42+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.kwrwater.nl\/en\/actueel\/limit-for-cold-extraction-from-drinking-water-can-be-raised\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.kwrwater.nl\/en\/actueel\/limit-for-cold-extraction-from-drinking-water-can-be-raised\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.kwrwater.nl\/en\/actueel\/limit-for-cold-extraction-from-drinking-water-can-be-raised\/#primaryimage\",\"url\":\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2022\/10\/P81219544-scaled.jpg\",\"contentUrl\":\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2022\/10\/P81219544-scaled.jpg\",\"width\":2560,\"height\":1920,\"caption\":\"OLYMPUS DIGITAL CAMERA\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.kwrwater.nl\/en\/actueel\/limit-for-cold-extraction-from-drinking-water-can-be-raised\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.kwrwater.nl\/en\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Limit for cold extraction from drinking water can be raised\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.kwrwater.nl\/en\/#website\",\"url\":\"https:\/\/www.kwrwater.nl\/en\/\",\"name\":\"KWR\",\"description\":\"Bridging science to practice in the watercycle\",\"publisher\":{\"@id\":\"https:\/\/www.kwrwater.nl\/en\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.kwrwater.nl\/en\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.kwrwater.nl\/en\/#organization\",\"name\":\"KWR Water Research Institute\",\"url\":\"https:\/\/www.kwrwater.nl\/en\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.kwrwater.nl\/en\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2016\/05\/kwr_logo.svg\",\"contentUrl\":\"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2016\/05\/kwr_logo.svg\",\"width\":1,\"height\":1,\"caption\":\"KWR Water Research Institute\"},\"image\":{\"@id\":\"https:\/\/www.kwrwater.nl\/en\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/KWRwater\/\",\"https:\/\/x.com\/KWR_water\",\"https:\/\/www.instagram.com\/kwr_water\/\",\"https:\/\/www.linkedin.com\/company\/kwr-watercycle-research-institute\/\",\"https:\/\/www.youtube.com\/channel\/UCRPWFEEsC32DeP55thhLJQg\/\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.kwrwater.nl\/en\/#\/schema\/person\/e7459aa1bbc6dd8d99b1bc3f6a03b044\",\"name\":\"KWR - LH\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.kwrwater.nl\/en\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/86609f72eca0eacd0974186a394ff390?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/86609f72eca0eacd0974186a394ff390?s=96&d=mm&r=g\",\"caption\":\"KWR - LH\"},\"url\":\"https:\/\/www.kwrwater.nl\/en\/actueel\/author\/tim\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Limit for cold extraction from drinking water can be raised - KWR","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.kwrwater.nl\/en\/actueel\/limit-for-cold-extraction-from-drinking-water-can-be-raised\/","og_locale":"en_US","og_type":"article","og_title":"Limit for cold extraction from drinking water can be raised - KWR","og_description":"Waternet applies aquathermia to recover cold from drinking water. With a view to the drinking water quality, the water utility wanted to know what the upper temperature limit was for this to be done safely. Research conducted within...","og_url":"https:\/\/www.kwrwater.nl\/en\/actueel\/limit-for-cold-extraction-from-drinking-water-can-be-raised\/","og_site_name":"KWR","article_publisher":"https:\/\/www.facebook.com\/KWRwater\/","article_published_time":"2022-10-24T14:14:39+00:00","article_modified_time":"2022-10-27T07:15:42+00:00","og_image":[{"width":1024,"height":768,"url":"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2022\/10\/P81219544-1024x768.jpg","type":"image\/jpeg"}],"author":"KWR - LH","twitter_card":"summary_large_image","twitter_creator":"@KWR_water","twitter_site":"@KWR_water","twitter_misc":{"Written by":"KWR - LH","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.kwrwater.nl\/en\/actueel\/limit-for-cold-extraction-from-drinking-water-can-be-raised\/#article","isPartOf":{"@id":"https:\/\/www.kwrwater.nl\/en\/actueel\/limit-for-cold-extraction-from-drinking-water-can-be-raised\/"},"author":{"name":"KWR - LH","@id":"https:\/\/www.kwrwater.nl\/en\/#\/schema\/person\/e7459aa1bbc6dd8d99b1bc3f6a03b044"},"headline":"Limit for cold extraction from drinking water can be raised","datePublished":"2022-10-24T14:14:39+00:00","dateModified":"2022-10-27T07:15:42+00:00","mainEntityOfPage":{"@id":"https:\/\/www.kwrwater.nl\/en\/actueel\/limit-for-cold-extraction-from-drinking-water-can-be-raised\/"},"wordCount":248,"commentCount":0,"publisher":{"@id":"https:\/\/www.kwrwater.nl\/en\/#organization"},"image":{"@id":"https:\/\/www.kwrwater.nl\/en\/actueel\/limit-for-cold-extraction-from-drinking-water-can-be-raised\/#primaryimage"},"thumbnailUrl":"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2022\/10\/P81219544-scaled.jpg","articleSection":["Water Sector"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.kwrwater.nl\/en\/actueel\/limit-for-cold-extraction-from-drinking-water-can-be-raised\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.kwrwater.nl\/en\/actueel\/limit-for-cold-extraction-from-drinking-water-can-be-raised\/","url":"https:\/\/www.kwrwater.nl\/en\/actueel\/limit-for-cold-extraction-from-drinking-water-can-be-raised\/","name":"Limit for cold extraction from drinking water can be raised - KWR","isPartOf":{"@id":"https:\/\/www.kwrwater.nl\/en\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.kwrwater.nl\/en\/actueel\/limit-for-cold-extraction-from-drinking-water-can-be-raised\/#primaryimage"},"image":{"@id":"https:\/\/www.kwrwater.nl\/en\/actueel\/limit-for-cold-extraction-from-drinking-water-can-be-raised\/#primaryimage"},"thumbnailUrl":"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2022\/10\/P81219544-scaled.jpg","datePublished":"2022-10-24T14:14:39+00:00","dateModified":"2022-10-27T07:15:42+00:00","breadcrumb":{"@id":"https:\/\/www.kwrwater.nl\/en\/actueel\/limit-for-cold-extraction-from-drinking-water-can-be-raised\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.kwrwater.nl\/en\/actueel\/limit-for-cold-extraction-from-drinking-water-can-be-raised\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.kwrwater.nl\/en\/actueel\/limit-for-cold-extraction-from-drinking-water-can-be-raised\/#primaryimage","url":"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2022\/10\/P81219544-scaled.jpg","contentUrl":"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2022\/10\/P81219544-scaled.jpg","width":2560,"height":1920,"caption":"OLYMPUS DIGITAL CAMERA"},{"@type":"BreadcrumbList","@id":"https:\/\/www.kwrwater.nl\/en\/actueel\/limit-for-cold-extraction-from-drinking-water-can-be-raised\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.kwrwater.nl\/en\/"},{"@type":"ListItem","position":2,"name":"Limit for cold extraction from drinking water can be raised"}]},{"@type":"WebSite","@id":"https:\/\/www.kwrwater.nl\/en\/#website","url":"https:\/\/www.kwrwater.nl\/en\/","name":"KWR","description":"Bridging science to practice in the watercycle","publisher":{"@id":"https:\/\/www.kwrwater.nl\/en\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.kwrwater.nl\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.kwrwater.nl\/en\/#organization","name":"KWR Water Research Institute","url":"https:\/\/www.kwrwater.nl\/en\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.kwrwater.nl\/en\/#\/schema\/logo\/image\/","url":"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2016\/05\/kwr_logo.svg","contentUrl":"https:\/\/www.kwrwater.nl\/wp-content\/uploads\/2016\/05\/kwr_logo.svg","width":1,"height":1,"caption":"KWR Water Research Institute"},"image":{"@id":"https:\/\/www.kwrwater.nl\/en\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/KWRwater\/","https:\/\/x.com\/KWR_water","https:\/\/www.instagram.com\/kwr_water\/","https:\/\/www.linkedin.com\/company\/kwr-watercycle-research-institute\/","https:\/\/www.youtube.com\/channel\/UCRPWFEEsC32DeP55thhLJQg\/"]},{"@type":"Person","@id":"https:\/\/www.kwrwater.nl\/en\/#\/schema\/person\/e7459aa1bbc6dd8d99b1bc3f6a03b044","name":"KWR - LH","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.kwrwater.nl\/en\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/86609f72eca0eacd0974186a394ff390?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/86609f72eca0eacd0974186a394ff390?s=96&d=mm&r=g","caption":"KWR - LH"},"url":"https:\/\/www.kwrwater.nl\/en\/actueel\/author\/tim\/"}]}},"_links":{"self":[{"href":"https:\/\/www.kwrwater.nl\/en\/wp-json\/wp\/v2\/posts\/67147","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kwrwater.nl\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kwrwater.nl\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kwrwater.nl\/en\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kwrwater.nl\/en\/wp-json\/wp\/v2\/comments?post=67147"}],"version-history":[{"count":2,"href":"https:\/\/www.kwrwater.nl\/en\/wp-json\/wp\/v2\/posts\/67147\/revisions"}],"predecessor-version":[{"id":67149,"href":"https:\/\/www.kwrwater.nl\/en\/wp-json\/wp\/v2\/posts\/67147\/revisions\/67149"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kwrwater.nl\/en\/wp-json\/wp\/v2\/media\/67140"}],"wp:attachment":[{"href":"https:\/\/www.kwrwater.nl\/en\/wp-json\/wp\/v2\/media?parent=67147"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kwrwater.nl\/en\/wp-json\/wp\/v2\/categories?post=67147"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kwrwater.nl\/en\/wp-json\/wp\/v2\/tags?post=67147"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}